₿⚡

Bitcoin total supply

$$\sum_{i=0}^N 210\,000 \cdot \left\lfloor \frac{50 \, \unicode{8383}}{2^i} \cdot 10^8 \, \tfrac{\text{sat}}{\unicode{8383}} \right\rfloor $$ $$= 20\,999\,999.976\,900\,00 \, \unicode{8383}$$ $$N = \max \left\lbrace k \, \middle| \,\left\lfloor \frac{50 \cdot 10^8}{2^k} \right\rfloor \neq 0 \right\rbrace = 32$$

₿

$ unicode ₿
U+20BF BITCOIN SIGN
UTF-8: e2 82 bf UTF-16BE: 20bf Decimal: &#8383; Octal: \020277
₿
Category: Sc (Symbol, Currency); East Asian width: N (neutral)
Unicode block: 20A0..20CF; Currency Symbols
Bidi: ET (European Number Terminator)

⚡

$ unicode ⚡
U+26A1 HIGH VOLTAGE SIGN
UTF-8: e2 9a a1 UTF-16BE: 26a1 Decimal: &#9889; Octal: \023241
⚡
Category: So (Symbol, Other); East Asian width: W (wide)
Unicode block: 2600..26FF; Miscellaneous Symbols
Bidi: ON (Other Neutrals)